140126388 has 12 divisors (see below), whose sum is σ = 326961600. Its totient is φ = 46708792.

The previous prime is 140126351. The next prime is 140126401. The reversal of 140126388 is 883621041.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×140126388² = 39270809227853088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5838588 + ... + 5838611.

It is an arithmetic number, because the mean of its divisors is an integer number (27246800).

Almost surely, 2^140126388 is an apocalyptic number.

It is an amenable number.

140126388 is an abundant number, since it is smaller than the sum of its proper divisors (186835212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140126388 is a wasteful number, since it uses less digits than its factorization.

140126388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11677206 (or 11677204 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 140126388 is about 11837.4992291446. The cubic root of 140126388 is about 519.4056176986.

The spelling of 140126388 in words is "one hundred forty million, one hundred twenty-six thousand, three hundred eighty-eight".